the month. you think natural gas is a buy, why? >> talk about this over the past several months. here is the deal, the sort of look at the way we are converting, t. boone pickens has been a big push towards natural gas. the change in the way we utilize natural gas. david: at the taxicab today, had a different feel to it, i asked the driver, he said i have a natural gas engine. there are only two stations in the manhattan area, when north manhattan, south manhattan, he said he saved 50% on his gas bill every week, so you begin to see the switch over. >> you brought up a great point, fleet, not just taxes, which i think will be the next, but all these different fleets of trucks are all gravitating towards natural gas.